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General form of wave equation

  1. Mar 16, 2015 #1
    When I deduct the the general form of wave equation, I noticed it has a second order partial derivative form. I am wondering why wave equation has a second order partial derivative form nor a first order partial derivative form?
  2. jcsd
  3. Mar 16, 2015 #2
    Sorry, I have to ask...
    Could you be more specific about "wave equation"?
    Last edited: Mar 16, 2015
  4. Mar 16, 2015 #3


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    Staff: Mentor

    @Michael95 -- Welcome to the PF. If you wanted your thread moved, you should have clicked the Report button and asked the Mentors to move it. I have deleted your other thread, so this thread here can continue. :smile:
  5. Mar 16, 2015 #4
    Aha, now we are talking....
  6. Mar 16, 2015 #5
    Ha, I see. I am just join PF few minute ago. Thank you for tip.
  7. Mar 16, 2015 #6
    I have upload a picture. There is my deduction process. I wondering why wave equation has a second order partial derivative form?

    Attached Files:

  8. Mar 16, 2015 #7
    I think because it is boring....Laughing out loud Click me fast!. (Take your time)[Need anything else?]
    Last edited: Mar 16, 2015
  9. Mar 16, 2015 #8
    I see. The first oder wave equation can not perfectly describe a wave. Thank you for link.
  10. Mar 16, 2015 #9
    Glad I helped ^_^
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